diff --git a/config/config.go b/config/config.go
index e240f9b90..5ea45a392 100644
--- a/config/config.go
+++ b/config/config.go
@@ -159,6 +159,7 @@ type Sniffer struct {
 type Experimental struct {
 	Fingerprints     []string `yaml:"fingerprints"`
 	QUICGoDisableGSO bool     `yaml:"quic-go-disable-gso"`
+	QUICGoDisableECN bool     `yaml:"quic-go-disable-ecn"`
 }
 
 // Config is clash config manager
diff --git a/hub/executor/executor.go b/hub/executor/executor.go
index a50d35391..ebcbac91e 100644
--- a/hub/executor/executor.go
+++ b/hub/executor/executor.go
@@ -180,7 +180,10 @@ func updateListeners(general *config.General, listeners map[string]C.InboundList
 
 func updateExperimental(c *config.Config) {
 	if c.Experimental.QUICGoDisableGSO {
-		_ = os.Setenv("QUIC_GO_DISABLE_GSO", "1")
+		_ = os.Setenv("QUIC_GO_DISABLE_GSO", strconv.FormatBool(true))
+	}
+	if c.Experimental.QUICGoDisableECN {
+		_ = os.Setenv("QUIC_GO_DISABLE_ECN", strconv.FormatBool(true))
 	}
 }